Zoom Level 13 Map Image Tile Access

Zoom Level 13

This image shows the area that is covered by the 0 map tiles
accessed in the last two weeks at zoom level 13.
Each tile at this zoom level is 2x2 pixels and it would take
153600 to cover the entire map shown.
At this level there are 213 (8192) tiles in each of the
latitude and longitude directions covering the earth (67108864) in total.